The Global Methane Budget 2000–2012

            Abstract         Copyright statement         Introduction         Methodology         Processing of emission maps         Definition of the boxplots         Definition of regions and source categories         Methane sources and sinks         Anthropogenic methane sources         Reported global inventories         Total anthropogenic methane emissions         Methane emissions from fossil fuel production and use         Coal mining         Oil and natural gas systems         Shale gas         Agriculture and waste         Livestock: enteric fermentation and manure management         Waste management         Rice cultivation         Biomass and biofuel burning         Biomass burning         Biofuel burning         Natural methane sources         Wetlands         Other inland water systems (lakes, ponds, rivers, estuaries)         Onshore and offshore geological sources         Termites         Wild animals         Oceanic sources         Terrestrial permafrost and hydrates         Vegetation         Methane sinks and lifetime         OH oxidation         Stratospheric loss         Soil uptake         CH4 lifetime         Atmospheric observations and top-down inversions         Atmospheric observations         In situ CH4 observations and atmospheric growth rate at the surface         Satellite data of column-averaged CH4         Methane isotope observations         Other atmospheric observations         Top-down inversions         Principle of inversions         Reported inversions         Methane budget: top-down and bottom-up comparison         Global methane budget         Global budget of total methane emissions         Top-down estimates         Bottom-up estimates         Global methane emissions per source category         Wetlands         Other natural emissions         Anthropogenic emissions         Regional methane budget         Regional budget of total methane emissions         Regional methane emissions per source category         Future developments, missing elements and remaining uncertainties         Conclusions         Data availability